Rename "Tabs bar menu" to "Tabs menu" (#3974)

Related to [[Discover] Rename "Tabs bar menu" to "Tabs
menu"](elastic/kibana#239420 (comment))

This pull request makes a minor update to the documentation for tab
management in Discover.
It reflects changes from [[Discover][Unified Tabs] Rename "Tabs bar
menu" to "Tabs menu"](elastic/kibana#243332 (comment))

Author: akowalska622

explore-analyze/discover/discover-get-started.md

@@ -334,7 +334,7 @@ To manage and organize your tabs, you can:
   :::{tip}
   If you want to discard all open tabs, you can also start a {icon}`plus` **New session** from the toolbar. When you use this option, any unsaved changes to your current session are lost.
   :::
-- Reopen recently closed tabs: If you close a tab by mistake, you can retrieve it by selecting the {icon}`boxes_vertical` **Tabs bar menu** icon located at the end of the tab bar.
+- Reopen recently closed tabs: If you close a tab by mistake, you can retrieve it by selecting the {icon}`boxes_vertical` **Tabs menu** icon located at the end of the tab bar.
 
 To keep all of your tabs for later, you can [Save your Discover session](#save-discover-search). All currently open tabs are saved within the session and will be there when you open it again.